Patent US3483672A successfully refreshed from Google Patents.
US3483672A
Expired / Lapsed
US
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Means for establishing an electrostatic field in an inhabitable enclosure
Assignee: Individual
•
Filing: 1968-02-26
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Granted: 1969-12-16
•
Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert Jahnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:19
CPC Classifications
H; H05; H05F; H05F1/00; A; A47; A47L; A47L13/00; A47L13/10; A47L13/40; A61; A61L; A61L9/00; A61L9/16; A61L9/22; A61N; A61N1/00; A61N1/10; B; B03; B03C; B03C3/00; B03C3/34; B03C3/40; B03C3/41; B03C3/60; F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |